Depends on exact model, but normally you'd be looking at buying and replacing the cartridge within the shower valve body. A search online for Mira Excel Cartridges will help you identify the correct part. Not a hard job to do as long as you can isolate the hot and cold water supplies.
It will probably look like this:
how do i fix fuse for mira advanced shower?I turned the fuse off whilst shower was in use,and now fuse won't go back on how do I fix this ?...Click here for how to mend it.
water not heating up?we have had our Mira sport shower about four years and it has suddenly started not heating the water up,can what ever heats the water up be replaced or do we have to replace the shower unit entirely....Click here for the repair.
confirm the position of temperature control lever Mira Miniduo shower?What is the correct position of mira miniduo shower temperature control lever in full hot or cold? Horizontal or vertical?...Click here for the repair.
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